3. The circle C, with centre at the point A, has equation x2 +y2 - 10x +9 = 0. Find (a) The coordinates of A. (b) The radius of C. The coordinates of the points at which C crosses the x-axis.

Q: The circles defined by the equations (x + 3)2 + (y- 2)2 20 and (x +3)2 + (y - 2)2 = 45 have the same…

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Q: 5. The graph below shows AB, which is a diameter of circle O. The coordinates of the endpoints of AB…

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A: circle with radius 33​ and center (−1,0).

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A: Mark some coordinates on the circle.

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Q: Find the equation of the circle with center (-3,8) and radius √3

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Q: Write the equation of the circle centered at (−3,5)(-3,5) with diameter 16.

A: Consider given point (-3,5) as the center of the circle and the given diameter is 16